dhclient-script: ipv6 uses different variables for nameservers
    
    new_domain_name_servers and new_domain_search is only provided vit IPv4
    
    see: https://src.fedoraproject.org/rpms/dhcp/blob/HEAD/f/dhclient-script#_148
    (cherry picked from commit 962310483f473dbc8d71d70ba464d273b9808d31)
    
    Resolves: #1795276
    
    patch_name: 0065.patch
    present_in_specfile: true
    location_in_specfile: 65
    squash_commits: true